Резонансна структура ядра 8Be у двокластерному методі резонуючих груп

A microscopic two-cluster model is applied to study the elastic alpha-alpha scattering and the resonance structure of 8Be. The model is an algebraic version of the Resonating Group Method (RGM), which involves the complete set of oscillator functions to expand the wave function of a two-cluster syst...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Datum:2023
Hauptverfasser: Kalzhigitov, N., Kurmangaliyeva, V.O., Takibayev, N.Zh., Vasilevsky, V.S.
Format: Artikel
Sprache:English
Veröffentlicht: Publishing house "Academperiodika" 2023
Schlagworte:
Online Zugang:https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2023013
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Назва журналу:Ukrainian Journal of Physics

Institution

Ukrainian Journal of Physics
Beschreibung
Zusammenfassung:A microscopic two-cluster model is applied to study the elastic alpha-alpha scattering and the resonance structure of 8Be. The model is an algebraic version of the Resonating Group Method (RGM), which involves the complete set of oscillator functions to expand the wave function of a two-cluster system. The interaction of nucleons inside each cluster and the interaction between clusters are determined by the well-known semirealistic nucleon-nucleon potentials which are employed in calculations. They differ by a size of the core at small distances between nucleons and realize the strong, moderate, and weak cores. They allow us to study dependence of calculated quantities on the shape of a nucleon-nucleon potential. The detailed analysis of resonance wave functions is carried out in the oscillator, coordinate, and momentum spaces. Effects of the Pauli principle on the wave functions of the 8Be continuous spectrum states are thoroughly studied.